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What is the probability that a chosen student will be a freshman if there are 350 freshman 320 sophomores 310 juniors and 400 seniors?
Wiki User
∙ 14y ago
The answer, rounded to one decimal place, is 25.4%. This means you have just over a one-in-four chance of choosing the freshman from the entire student population.
You can figure it out for yourself by solving this division formula:
(size of group you want to pick one from)
--------------------------------------------------------- = Probability of choosing from the group
(Total size of population you'll choose from)
For this problem, the answer is:
350 / (350+320+310+400) = 350 / 1380 = 0.253623188.... ~= 25.36%
Wiki User
∙ 14y ago
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